Drought in McKean County, PA: 0.8 years in 10 since 2000
0.8 years in 10
McKean County, PA: 2 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.
- 0
- 10
- 0
- 0
- 0
- 4
- 0
- 5
- 0
- 0
- 0
- 2
- 0
- 0
- 0
- 0
- 1
- 0
- 0
- 0
- 13
- 0
- 0
- 6
- 0
- 17
20002025
Drought years: 2020 (13 wk) and 2025 (17 wk). Not a single drought week in 2000, 2002, 2003, 2004, 2006, 2008, 2009, 2010, 2012, 2013, 2014, 2015, 2017, 2018, 2019, 2021, 2022 and 2024.
A regular lawn is fine here; plan for the odd dry year
Real droughts are rare here. A smart controller that skips watering after rain covers the odd dry year.
You can keep a regular lawn. Worth doing: a rain-sensing or smart controller, and deeper, less frequent watering if Aug turns dry.
Drought has been more common in 2016-2025 (2 years in 10) than in 2000-2015 (0 in 10).
Against the rest of PA
39th most drought-prone of 67 PA counties; the PA middle is 0.8 in 10. Closest on the list: Venango County (0.8 in 10) and Clearfield County (0.8 in 10). Driest in PA: Adams County (1.9 in 10). Least drought: Susquehanna County (0 in 10).
When in the year it hits
Most often in Aug (9% of weeks), then Sep (8%) and Dec (8%). Least in Apr (0%). May to September averages 6%.
- 1 Jan
- 0 Feb
- 0 Mar
- 0 Apr
- 2 May
- 4 Jun
- 6 Jul
- 9 Aug
- 8 Sep
- 7 Oct
- 7 Nov
- 8 Dec
The worst year: 2025
2025: 17 weeks in drought, peaking at D2 severe. Across 1,401 weekly maps: 4.2% of all weeks at D1 or worse, 0.6% at D2, never any D4. Longest unbroken spell: 18 weeks, Sep 9, 2025 to Jan 6, 2026.
Lately
Last drought year: 2025, 17 weeks. 2016-2025: 2 in 10, against 0 in 10 for 2000-2015, drier lately. So far in 2026: 1 of 44 weeks in drought, through Nov 3, 2026.
Further reading
McKean County lands on the plan covered in keeping a regular lawn. Its last ten years ran drier than the ten before; what that does and does not mean. How each of McKean County's 1,401 weeks was judged: how drought is counted.